Bug#845270: jython: /usr/bin/jython sets broken python.home property

[Gilles Filippini]

On Tue, 22 Nov 2016 00:03:48 +0100 Gilles Filippini <pini at debian.org> wrote:
> Package: jython
> Version: 2.5.3-11
> Severity: normal
> 
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> 
> Hi,
> 
> /usr/bin/jython should set python.home = '/usr/share/jython', but it uses dirname(dirname($0)) instead, which returns '/usr'.
> 
> This setting comes from #705146, to support virtualenv. But it is incorrect when jython is launched directly: it then fails to found its system-wide registry at ${python.home}/registry.
> 
> A setting compatible with both use cases would be:
> * install the jython launcher into /usr/share/jython/bin
> * make /usr/bin/jython a symlink to /usr/share/jython/bin/jython
> * replace dirname(dirname($0)) with dirname(dirname(abs_path($0)))

I intend to team-upload this change in a few days if you don't object.
Please let me know.

Thanks,

_g.

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